33120131233 has 4 divisors (see below), whose sum is σ = 37851578560. Its totient is φ = 28388683908.

The previous prime is 33120131227. The next prime is 33120131249. The reversal of 33120131233 is 33213102133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33120131233 - 2⁵ = 33120131201 is a prime.

It is a super-2 number, since 2×33120131233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33120137233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365723653 + ... + 2365723666.

It is an arithmetic number, because the mean of its divisors is an integer number (9462894640).

Almost surely, 2^33120131233 is an apocalyptic number.

It is an amenable number.

33120131233 is a deficient number, since it is larger than the sum of its proper divisors (4731447327).

33120131233 is an equidigital number, since it uses as much as digits as its factorization.

33120131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731447326.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33120131233 its reverse (33213102133), we get a palindrome (66333233366).

The spelling of 33120131233 in words is "thirty-three billion, one hundred twenty million, one hundred thirty-one thousand, two hundred thirty-three".